PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The buffer layer 111 is made of insulating material such as silicon oxide SiO2 or silicon nitride Sinx, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com